diff options
| -rw-r--r-- | axfer/axfer-transfer.1 | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/axfer/axfer-transfer.1 b/axfer/axfer-transfer.1 index 02e5b4c..1fdfc91 100644 --- a/axfer/axfer-transfer.1 +++ b/axfer/axfer-transfer.1 @@ -873,6 +873,15 @@ input handling in main loop and leave bothersome operation to maintain PCM substream. .TP +.I \-m, \-\-chmap=CH1,CH2,... +ALSA PCM core and control core doesn't support this feature, therefore +remapping should be done in userspace. This brings overhead to align audio +data frames, especially for mmap operation. Furthermore, as of alsa-lib v1.1.8, +some plugins don't support this feature expectedly, thus this option is a lack +of transparent operation. At present, this option is not supported yet not to +confuse users. + +.TP .I SIGTSTP, SIGCONT This performs suspend/resume of PCM substream. In aplay(1) implementation, these operations bring XRUN state to the substream, and suspend/resume is done |